netdev - Re: [PATCH v2] bpf: fix check of allowed specifiers in bpf_trace

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Date:   Fri, 23 Nov 2018 21:57:48 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Martynas Pumputis <m@...bda.lt>, netdev@...r.kernel.org
Cc:     ast@...nel.org
Subject: Re: [PATCH v2] bpf: fix check of allowed specifiers in
 bpf_trace_printk

On 11/23/2018 05:43 PM, Martynas Pumputis wrote:
> A format string consisting of "%p" or "%s" followed by an invalid
> specifier (e.g. "%p%\n" or "%s%") could pass the check which
> would make format_decode (lib/vsprintf.c) to warn.
> 
> Reported-by: syzbot+1ec5c5ec949c4adaa0c4@...kaller.appspotmail.com
> Signed-off-by: Martynas Pumputis <m@...bda.lt>

Applied to bpf, thanks!